Lock-nut wrench



FIG. 1 is a perspective view of the lock-nut wrench;

FIG. 2 is a front elevation view of the lock-nut wrench;

FIG. 3 is a rear elevation view of the lock-nut wrench;

FIG. 4 is a top plan view of the lock-nut wrench;

FIG. 5 is a bottom plan view of the lock-nut wrench;

FIG. 6 is a left end view of the lock-nut wrench; and,

FIG. 7 is a right end view of the lock-nut wrench. 

The ornamental design for the lock-nut wrench, as shown and described. 